Chapter 15: Axial Muscles Patton: Anatomy and Physiology, 10th Edition Exam|Questions and Answers 2025/2026| 100% Accurate

Chapter 15: Axial Muscles Patton: Anatomy and Physiology, 10th Edition Exam|Questions and Answers 2025/2026| 100% Accurate Skeletal muscles constitute approximately ____ of our body weight. - answer-50% The connective tissue sheath that envelops bundles of muscle fibers is the: - answer-perimysium The covering of individual muscle fibers is the: - answer-endomysium Groups of skeletal muscle fibers are bound together by a connective tissue envelope called the: - answer-perimysium An aponeurosis could be described as a: - answer-flat sheet of connective tissue connecting muscle to other structures Muscles that contract at the same time as the prime mover are called: - answer-synergists and fixators Which of the following is not a component of a lever system? - answer-fixator The type of lever arrangement in which the pull is exerted between the fulcrum and resistance or weight to be moved is a _____-class lever. - answer-third Muscles may be named according to: - answer-function, direction of fibers, points of attachment The sternocleidomastoid muscle is an example of a muscle named for its: - answer-points of attachment A muscle that assists with mastication is the: - answer-masseterThe muscle that draws the eyebrows together, producing vertical wrinkles above the nose (frowning), is called the: - answer-corrugator supercilii Which of the following muscles has fibers on a transverse plane? - answer-transverse abdominis Which of the following muscle(s) function(s) to protect the abdominal viscera? - answer-external oblique, internal oblique, transversus abdominis Which muscle(s) form(s) most of the pelvic floor? - answer-levator ani Purposeful movement is determined by: - answer-all of the above- the relationship of muscles to joints, how muscles are attached to the skeleton, the manner in which muscles are grouped Which fibrous connective tissue structures have a lining of synovial membrane? - answer-tendon sheaths A muscle is attached to the femur and the tibia. When the muscle contracts, the knee bends. That would mean that the: - answer-tibia attachment is the insertion A muscle is attached to the femur and tibia. Its function or action is to bend the knee. When it contracts, it is acting as the: - answer-prime mover